386 lines
14 KiB
Java
386 lines
14 KiB
Java
/**
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* ownCloud Android client application
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*
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* @author David A. Velasco
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* Copyright (C) 2016 ownCloud Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.owncloud.android.utils;
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import android.accounts.Account;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.net.Uri;
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import android.preference.PreferenceManager;
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import android.util.Log;
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import android.webkit.MimeTypeMap;
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import com.owncloud.android.MainApp;
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import com.owncloud.android.R;
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import com.owncloud.android.datamodel.FileDataStorageManager;
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import com.owncloud.android.datamodel.OCFile;
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import com.owncloud.android.lib.common.utils.Log_OC;
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import com.owncloud.android.lib.resources.files.RemoteFile;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.Date;
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import java.util.Locale;
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import java.util.TimeZone;
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import java.util.Vector;
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import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
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/**
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* Static methods to help in access to local file system.
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*/
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public class FileStorageUtils {
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private static final String TAG = FileStorageUtils.class.getSimpleName();
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public static final String PATTERN_YYYY_MM = "yyyy/MM/";
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/**
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* Get local owncloud storage path for accountName.
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*/
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public static String getSavePath(String accountName) {
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return MainApp.getStoragePath()
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+ File.separator
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+ MainApp.getDataFolder()
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+ File.separator
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+ Uri.encode(accountName, "@");
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// URL encoding is an 'easy fix' to overcome that NTFS and FAT32 don't allow ":" in file names,
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// that can be in the accountName since 0.1.190B
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}
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/**
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* Get local path where OCFile file is to be stored after upload. That is,
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* corresponding local path (in local owncloud storage) to remote uploaded
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* file.
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*/
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public static String getDefaultSavePathFor(String accountName, OCFile file) {
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return getSavePath(accountName) + file.getDecryptedRemotePath();
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}
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/**
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* Get absolute path to tmp folder inside datafolder in sd-card for given accountName.
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*/
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public static String getTemporalPath(String accountName) {
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return MainApp.getStoragePath()
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+ File.separator
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+ MainApp.getDataFolder()
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+ File.separator
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+ "tmp"
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+ File.separator
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+ Uri.encode(accountName, "@");
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// URL encoding is an 'easy fix' to overcome that NTFS and FAT32 don't allow ":" in file names,
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// that can be in the accountName since 0.1.190B
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}
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/**
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* Optimistic number of bytes available on sd-card. accountName is ignored.
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*
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* @param accountName not used. can thus be null.
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* @return Optimistic number of available bytes (can be less)
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*/
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public static long getUsableSpace(String accountName) {
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File savePath = new File(MainApp.getStoragePath());
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return savePath.getUsableSpace();
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}
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/**
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* Returns the a string like 2016/08/ for the passed date. If date is 0 an empty
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* string is returned
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*
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* @param date: date in microseconds since 1st January 1970
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* @return string: yyyy/mm/
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*/
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private static String getSubpathFromDate(long date, Locale currentLocale) {
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if (date == 0) {
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return "";
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}
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Date d = new Date(date);
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DateFormat df = new SimpleDateFormat(PATTERN_YYYY_MM, currentLocale);
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df.setTimeZone(TimeZone.getTimeZone(TimeZone.getDefault().getID()));
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return df.format(d);
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}
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private static String getSubpathFromDate(long date) {
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if (date == 0) {
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return "";
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}
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Date d = new Date(date);
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DateFormat df = new SimpleDateFormat(PATTERN_YYYY_MM);
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return df.format(d);
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}
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/**
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* Returns the InstantUploadFilePath on the nextcloud instance
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*
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* @param fileName complete file name
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* @param dateTaken: Time in milliseconds since 1970 when the picture was taken.
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* @return instantUpload path, eg. /Camera/2017/01/fileName
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*/
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public static String getInstantUploadFilePath(Locale current,
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String remotePath,
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String fileName,
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long dateTaken,
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Boolean subfolderByDate) {
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String subPath = "";
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if (subfolderByDate) {
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subPath = getSubpathFromDate(dateTaken, current);
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}
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return remotePath + OCFile.PATH_SEPARATOR + subPath + (fileName == null ? "" : fileName);
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}
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public static String getInstantUploadFilePath(String remotePath,
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String fileName,
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long dateTaken,
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Boolean subfolderByDate) {
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String subPath = "";
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if (subfolderByDate) {
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subPath = getSubpathFromDate(dateTaken);
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}
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return remotePath + OCFile.PATH_SEPARATOR + subPath + (fileName == null ? "" : fileName);
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}
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/**
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* Gets the composed path when video is or must be stored.
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*
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* @param context app context
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* @param fileName: video file name
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* @return String: video file path composed
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*/
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public static String getInstantVideoUploadFilePath(Context context, String fileName, long dateTaken) {
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SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(context);
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String uploadVideoPathdef = context.getString(R.string.instant_upload_path);
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String uploadVideoPath = pref.getString("instant_video_upload_path", uploadVideoPathdef);
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String subPath = "";
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if (com.owncloud.android.db.PreferenceManager.instantVideoUploadPathUseSubfolders(context)) {
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subPath = getSubpathFromDate(dateTaken);
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}
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return uploadVideoPath + OCFile.PATH_SEPARATOR + subPath + (fileName == null ? "" : fileName);
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}
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public static String getParentPath(String remotePath) {
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String parentPath = new File(remotePath).getParent();
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parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath : parentPath + OCFile.PATH_SEPARATOR;
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return parentPath;
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}
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/**
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* Creates and populates a new {@link OCFile} object with the data read from the server.
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*
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* @param remote remote file read from the server (remote file or folder).
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* @return New OCFile instance representing the remote resource described by remote.
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*/
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public static OCFile fillOCFile(RemoteFile remote) {
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OCFile file = new OCFile(remote.getRemotePath());
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file.setCreationTimestamp(remote.getCreationTimestamp());
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if (remote.getMimeType().equalsIgnoreCase(MimeType.DIRECTORY)) {
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file.setFileLength(remote.getSize());
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} else {
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file.setFileLength(remote.getLength());
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}
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file.setMimetype(remote.getMimeType());
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file.setModificationTimestamp(remote.getModifiedTimestamp());
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file.setEtag(remote.getEtag());
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file.setPermissions(remote.getPermissions());
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file.setRemoteId(remote.getRemoteId());
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file.setFavorite(remote.getIsFavorite());
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file.setEncrypted(remote.getIsEncrypted());
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return file;
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}
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/**
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* Creates and populates a new {@link RemoteFile} object with the data read from an {@link OCFile}.
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*
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* @param ocFile OCFile
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* @return New RemoteFile instance representing the resource described by ocFile.
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*/
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public static RemoteFile fillRemoteFile(OCFile ocFile) {
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RemoteFile file = new RemoteFile(ocFile.getRemotePath());
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file.setCreationTimestamp(ocFile.getCreationTimestamp());
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file.setLength(ocFile.getFileLength());
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file.setMimeType(ocFile.getMimetype());
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file.setModifiedTimestamp(ocFile.getModificationTimestamp());
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file.setEtag(ocFile.getEtag());
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file.setPermissions(ocFile.getPermissions());
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file.setRemoteId(ocFile.getRemoteId());
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file.setFavorite(ocFile.getIsFavorite());
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return file;
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}
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public static Vector<OCFile> sortOcFolderDescDateModified(Vector<OCFile> files) {
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final int multiplier = -1;
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Collections.sort(files, new Comparator<OCFile>() {
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@SuppressFBWarnings(value = "Bx", justification = "Would require stepping up API level")
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public int compare(OCFile o1, OCFile o2) {
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Long obj1 = o1.getModificationTimestamp();
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return multiplier * obj1.compareTo(o2.getModificationTimestamp());
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}
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});
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return FileSortOrder.sortCloudFilesByFavourite(files);
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}
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/**
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* Local Folder size.
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*
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* @param dir File
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* @return Size in bytes
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*/
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public static long getFolderSize(File dir) {
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if (dir.exists()) {
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long result = 0;
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for (File f : dir.listFiles()) {
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if (f.isDirectory()) {
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result += getFolderSize(f);
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} else {
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result += f.length();
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}
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}
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return result;
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}
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return 0;
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}
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/**
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* Mimetype String of a file.
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*
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* @param path the file path
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* @return the mime type based on the file name
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*/
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public static String getMimeTypeFromName(String path) {
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String extension = "";
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int pos = path.lastIndexOf('.');
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if (pos >= 0) {
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extension = path.substring(pos + 1);
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}
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String result = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension.toLowerCase(Locale.ROOT));
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return (result != null) ? result : "";
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}
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/**
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* Scans the default location for saving local copies of files searching for
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* a 'lost' file with the same full name as the {@link OCFile} received as
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* parameter.
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*
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* This method helps to keep linked local copies of the files when the app is uninstalled, and then
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* reinstalled in the device. OR after the cache of the app was deleted in system settings.
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*
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* The method is assuming that all the local changes in the file where synchronized in the past. This is dangerous,
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* but assuming the contrary could lead to massive unnecessary synchronizations of downloaded file after deleting
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* the app cache.
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*
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* This should be changed in the near future to avoid any chance of data loss, but we need to add some options
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* to limit hard automatic synchronizations to wifi, unless the user wants otherwise.
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*
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* @param file File to associate a possible 'lost' local file.
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* @param account Account holding file.
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*/
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public static void searchForLocalFileInDefaultPath(OCFile file, Account account) {
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if (file.getStoragePath() == null && !file.isFolder()) {
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File f = new File(FileStorageUtils.getDefaultSavePathFor(account.name, file));
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if (f.exists()) {
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file.setStoragePath(f.getAbsolutePath());
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file.setLastSyncDateForData(f.lastModified());
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}
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}
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}
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public static boolean copyFile(File src, File target) {
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boolean ret = true;
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InputStream in = null;
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OutputStream out = null;
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try {
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in = new FileInputStream(src);
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out = new FileOutputStream(target);
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byte[] buf = new byte[1024];
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int len;
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while ((len = in.read(buf)) > 0) {
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out.write(buf, 0, len);
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}
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} catch (IOException ex) {
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ret = false;
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} finally {
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if (in != null) {
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try {
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in.close();
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} catch (IOException e) {
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Log_OC.e(TAG, "Error closing input stream during copy", e);
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}
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}
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if (out != null) {
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try {
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out.close();
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} catch (IOException e) {
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Log_OC.e(TAG, "Error closing output stream during copy", e);
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}
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}
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}
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return ret;
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}
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public static void deleteRecursively(File file, FileDataStorageManager storageManager) {
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if (file.isDirectory()) {
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for (File child : file.listFiles()) {
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deleteRecursively(child, storageManager);
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}
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}
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storageManager.deleteFileInMediaScan(file.getAbsolutePath());
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file.delete();
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}
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public static boolean checkIfFileFinishedSaving(OCFile file) {
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long lastModified = 0;
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long lastSize = 0;
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File realFile = new File(file.getStoragePath());
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while ((realFile.lastModified() != lastModified) && (realFile.length() != lastSize)) {
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lastModified = realFile.lastModified();
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lastSize = realFile.length();
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try {
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Thread.sleep(1000);
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} catch (InterruptedException e) {
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Log.d(TAG, "Failed to sleep for a bit");
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}
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}
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return true;
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}
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}
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